PT-2023-21160 · Unknown · Crossplane-Runtime
Adamkorcz
+1
·
Publicado
2023-03-09
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Atualizado
2023-03-17
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CVE-2023-27484
CVSS v3.1
6.2
Média
| Vetor | AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
crossplane-runtime versions prior to 1.11.2
crossplane-runtime versions prior to 1.10.3
crossplane-runtime versions prior to 1.9.2
Description
The issue affects crossplane-runtime, a set of Go libraries used to build Kubernetes controllers in Crossplane and its related stacks. An already highly privileged user able to create or update Compositions can specify an arbitrarily high index in a patch's
ToFieldPath, which could lead to excessive memory usage once such Composition is selected for a Composite resource. Compositions allow users to specify patches inserting elements into arrays at an arbitrary index. When a Composition is selected for a Composite Resource, patches are evaluated and if a specified index is greater than the current size of the target slice, Crossplane will grow that slice up to the specified index, which could lead to an excessive amount of memory usage and therefore the Pod being OOM-Killed.Recommendations
To resolve the issue for versions prior to 1.11.2, upgrade to version 1.11.2 or later.
To resolve the issue for versions prior to 1.10.3, upgrade to version 1.10.3 or later.
To resolve the issue for versions prior to 1.9.2, upgrade to version 1.9.2 or later.
As a temporary workaround, restrict write privileges on Compositions to only admin users.
Exploit
Correção
RCE
Resource Exhaustion
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Identificadores relacionados
Produtos afetados
Crossplane-Runtime